Product Review

We only recommend to use this extender for sunrace wide ratio cassette, Also please understand customized parts might not be perfect for all type of bike. Weight: 11g/Pcs Process：Full CNC Made For：Rear Hanger Derailleur Extension,for 40T 42T 46T 50T Mountain Bike Cassette or 32T 36T Road Bicycle cassette. The derailleur hanger extension is a unique device that offsets the position of your road derailleur to make it possible to run a wide-range mountain bike style cassette. It is also great for riders with double chainring bikes that want lower gearing for those ultra steep climbs. Package Included: 1 * 22mm extender branded by JGbike